Refactor: lrucache use generics

This commit is contained in:
yaling888
2022-04-05 20:23:16 +08:00
parent 92d9d03f99
commit 0582c608b3
8 changed files with 106 additions and 97 deletions

View File

@ -19,7 +19,7 @@ var entries = []struct {
}
func TestLRUCache(t *testing.T) {
c := NewLRUCache()
c := NewLRUCache[string, string]()
for _, e := range entries {
c.Set(e.key, e.value)
@ -32,7 +32,7 @@ func TestLRUCache(t *testing.T) {
for _, e := range entries {
value, ok := c.Get(e.key)
if assert.True(t, ok) {
assert.Equal(t, e.value, value.(string))
assert.Equal(t, e.value, value)
}
}
@ -45,25 +45,25 @@ func TestLRUCache(t *testing.T) {
}
func TestLRUMaxAge(t *testing.T) {
c := NewLRUCache(WithAge(86400))
c := NewLRUCache[string, string](WithAge[string, string](86400))
now := time.Now().Unix()
expected := now + 86400
// Add one expired entry
c.Set("foo", "bar")
c.lru.Back().Value.(*entry).expires = now
c.lru.Back().Value.(*entry[string, string]).expires = now
// Reset
c.Set("foo", "bar")
e := c.lru.Back().Value.(*entry)
e := c.lru.Back().Value.(*entry[string, string])
assert.True(t, e.expires >= now)
c.lru.Back().Value.(*entry).expires = now
c.lru.Back().Value.(*entry[string, string]).expires = now
// Set a few and verify expiration times
for _, s := range entries {
c.Set(s.key, s.value)
e := c.lru.Back().Value.(*entry)
e := c.lru.Back().Value.(*entry[string, string])
assert.True(t, e.expires >= expected && e.expires <= expected+10)
}
@ -77,7 +77,7 @@ func TestLRUMaxAge(t *testing.T) {
for _, s := range entries {
le, ok := c.cache[s.key]
if assert.True(t, ok) {
le.Value.(*entry).expires = now
le.Value.(*entry[string, string]).expires = now
}
}
@ -88,22 +88,22 @@ func TestLRUMaxAge(t *testing.T) {
}
func TestLRUpdateOnGet(t *testing.T) {
c := NewLRUCache(WithAge(86400), WithUpdateAgeOnGet())
c := NewLRUCache[string, string](WithAge[string, string](86400), WithUpdateAgeOnGet[string, string]())
now := time.Now().Unix()
expires := now + 86400/2
// Add one expired entry
c.Set("foo", "bar")
c.lru.Back().Value.(*entry).expires = expires
c.lru.Back().Value.(*entry[string, string]).expires = expires
_, ok := c.Get("foo")
assert.True(t, ok)
assert.True(t, c.lru.Back().Value.(*entry).expires > expires)
assert.True(t, c.lru.Back().Value.(*entry[string, string]).expires > expires)
}
func TestMaxSize(t *testing.T) {
c := NewLRUCache(WithSize(2))
c := NewLRUCache[string, string](WithSize[string, string](2))
// Add one expired entry
c.Set("foo", "bar")
_, ok := c.Get("foo")
@ -117,7 +117,7 @@ func TestMaxSize(t *testing.T) {
}
func TestExist(t *testing.T) {
c := NewLRUCache(WithSize(1))
c := NewLRUCache[int, int](WithSize[int, int](1))
c.Set(1, 2)
assert.True(t, c.Exist(1))
c.Set(2, 3)
@ -130,7 +130,7 @@ func TestEvict(t *testing.T) {
temp = key.(int) + value.(int)
}
c := NewLRUCache(WithEvict(evict), WithSize(1))
c := NewLRUCache[int, int](WithEvict[int, int](evict), WithSize[int, int](1))
c.Set(1, 2)
c.Set(2, 3)
@ -138,21 +138,22 @@ func TestEvict(t *testing.T) {
}
func TestSetWithExpire(t *testing.T) {
c := NewLRUCache(WithAge(1))
c := NewLRUCache[int, *struct{}](WithAge[int, *struct{}](1))
now := time.Now().Unix()
tenSecBefore := time.Unix(now-10, 0)
c.SetWithExpire(1, 2, tenSecBefore)
c.SetWithExpire(1, &struct{}{}, tenSecBefore)
// res is expected not to exist, and expires should be empty time.Time
res, expires, exist := c.GetWithExpire(1)
assert.Equal(t, nil, res)
assert.True(t, nil == res)
assert.Equal(t, time.Time{}, expires)
assert.Equal(t, false, exist)
}
func TestStale(t *testing.T) {
c := NewLRUCache(WithAge(1), WithStale(true))
c := NewLRUCache[int, int](WithAge[int, int](1), WithStale[int, int](true))
now := time.Now().Unix()
tenSecBefore := time.Unix(now-10, 0)
@ -165,11 +166,11 @@ func TestStale(t *testing.T) {
}
func TestCloneTo(t *testing.T) {
o := NewLRUCache(WithSize(10))
o := NewLRUCache[string, int](WithSize[string, int](10))
o.Set("1", 1)
o.Set("2", 2)
n := NewLRUCache(WithSize(2))
n := NewLRUCache[string, int](WithSize[string, int](2))
n.Set("3", 3)
n.Set("4", 4)